Home / 13,328.24-18,392.67-7,360.16

Finding the Fourth Proportional to 13,328.24, 18,392.67 and 7,360.16

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Solution

The fourth proportional to 13,328.24, 18,392.67 and 7,360.16 is: 10,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.24 : 18,392.67 = 7,360.16 : x
  2. Step 2: Convert to fraction form
    13,328.24/18,392.67 = 7,360.16/x
  3. Step 3: Cross multiply
    13,328.24x = 18,392.67 × 7,360.16
  4. Step 4: Simplify right side
    13,328.24x = 135,372,902.06
  5. Step 5: Solve for x
    x = 135,372,902.06/13,328.24
  6. Step 6: Final answer
    x = 10,156.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.